LG MASTER-K G4F-TC2A User Manual page 3

Wiring Precautions
▶ When grounding a FG terminal, be sure to provide class 3 grounding which is dedicated to
the PLC. If not grounded, It can cause malfunction.
▶ Before the PLC wiring, be sure to check the rated voltage and terminal arrangement for
the module and observe them correctly.
If a different power, not of the rated voltage, is applied or wrong wiring is provided, it can
cause a fire or disorder of the module.
▶ Drive the terminal screws firmly to the defined torque.
If loosely driven, it can cause short circuit, a fire or malfunction.
▶ Be careful that any foreign matter like wire scraps should not enter into the module.
It can cause a fire, disorder or malfunction.
Test Run and Maintenance
Precautions
!
WARNING
▶ Do not contact the terminals
while the power is applied.
It can cause malfunction.
▶ When cleaning or driving a termi-
nal screw, perform them after the
power has been turned off
▶ Do not perform works while the
power is applied, which can
cause disorder or malfunction.
Waste Disposal Precautions
▶ When disposing the module, do it as an industrial waste.
!
CAUTION
▶ Do not separate the module from
the printed circuit board(PCB), or
do not remodel the module.
They can cause disorder, mal-
function, damage of the module
or a fire.
When mounting or dismounting
the module, perform them after
the power has been turned off.
▶ Do not perform works while the
power is applied, which can
cause disorder or malfunction.
!
CAUTION
!
CAUTION